Browsing Publikační činnost pracovníků VUT v Brně by Title
Now showing items 1-20 of 3641
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A 0.3-V 98-dB Rail-to-Rail OTA in 0.18 um CMOS
(IEEE, 2020-02-06)A new solution for an ultra-low-voltage, ultra-low-power operational transconductance amplifier (OTA) is presented in the paper. The design exploits a three-stage structure with a Reversed Miller Compensation Scheme, where ... -
0.3-V Nanopower Biopotential Low-Pass Filter
(IEEE, 2020-06-29)This paper presents a compact power-efficient CMOS fourth-order low-pass filter suitable for electrocardiogram (ECG) acquisition systems. The CMOS structure of the proposed filter utilize the bulkdriven technique and ... -
0.3-Volt Rail-to-Rail DDTA and Its Application in a Universal Filter and Quadrature Oscillator
(MDPI, 2022-04-21)This paper presents the extremely low-voltage supply of the CMOS structure of a differential difference transconductance amplifier (DDTA). With a 0.3-volt supply voltage, the circuit offers rail-to-rail operational capability. ... -
0.3V Bulk-driven current conveyor
(IEEE, 2019-05-15)This paper presents the design and the experimental results of a sub 0.5 V bulk-driven (BD) current conveyor (CCII) using 0.18 µm TSMC CMOS technology with total chip area of 0.0134 mm2. All transistors are biased in ... -
0.5 V Current-Mode Low-Pass Filter Based on Voltage Second Generation Current Conveyor for Bio-Sensor Applications
(IEEE, 2022-02-15)This paper presents a low-voltage low-power current-mode third-order low-pass filter (LPF) based on voltage second generation current conveyor (VCII). The VCII utilizes the bulk-driven MOS transistor technique to achieve ... -
0.5 V Differential Difference Transconductance Amplifier and Its Application in Voltage-Mode Universal Filter
(IEEE, 2022-05-13)This paper presents an innovative CMOS structure for Differential Difference Transconductance Amplifiers (DDTA). While the circuit operates under extremely low voltage supply 0.5 V, the circuit's performance is improved ... -
0.5 V fifth-order butterworth low-pass filter using multiple-input OTA for ECG applications
(MDPI, 2020-12-21)This paper presents a 0.5 V fifth-order Butterworth low-pass filter based on multiple-input operational transconductance amplifiers (OTA). The filter is designed for electrocardiogram (ECG) acquisition systems and operates ... -
0.5 V Fully Differential Universal Filter Based on Multiple Input OTAs
(IEEE, 2020-11-17)The design of a low-power, low-voltage, fully-differential universal biquad filter is presented in this work, which is constructed from four multiple-input gate-driven operational transconductance amplifiers (MI-OTAs) along ... -
0.5 V, nW-Range Universal Filter Based on Multiple-Input Transconductor for Biosignals Processing
(MDPI, 2022-11-08)This paper demonstrates the advantages of the multiple-input transconductor (MI-G(m)) in filter application, in terms of topology simplification, increasing filter functions, and minimizing the count of needed active blocks ... -
0.5-V High Linear and Wide Tunable OTA for Biomedical Applications
(IEEE, 2021-08-04)This paper presents a low-voltage nano-power multiple-input operational transconductance amplifier (MI-OTA) with high linearity performance and increased input voltage swing. The enhanced performances are achieved thanks ... -
A 1 V 92 dB SNDR 10 kHz Bandwidth Second-Order Asynchronous Delta-Sigma Modulator for Biomedical Signal Processing
(MDPI, 2020-07-25)In this paper, a second-order asynchronous delta-sigma modulator (ADSM) is proposed based on the active-RCintegrators. The ADSM is implemented in the 0.18 µ m CMOS Logic or Mixed-Signal/RF, General Purpose process from the ... -
1.2 V Differential Difference Transconductance Amplifier and Its Application in Mixed-Mode Universal Filter
(MDPI, 2022-05-02)This paper presents a new mixed-mode universal filter based on a differential difference transconductance amplifier (DDTA). Unlike the conventional transconductance amplifier (TA), this DDTA has both advantages of the TA ... -
2.7 mu m quantum cascade detector: Above band gap energy intersubband detection
(AIP Publishing, 2022-02-14)Quantum cascade detectors (QCDs) are mid-infrared and far-infrared, low-noise, photovoltaic detectors utilizing intersubband transitions. This Letter presents an InAs/AlAs0.16Sb0.84 based QCD lattice matched to an InAs ... -
2D and 3D numerical modelling of internal flow of Pressure-swirl atomizer
(EDP Sciences, 2019-06-28)This paper compares 2D axisymmetric and 3D numerical models used to predict the internal flow of a pressure-swirl atomizer using a commercial software Ansys Fluent 18.1. The computed results are compared with experimental ... -
2D Model of Capillary Transport of Water in Aerated Concrete
(Trans Tech Publications, 2013-01-08)Saturation degree of aerated concrete strongly affects not only all its thermal-technica properties, but regarding to the risk of freezing, also the strength properties. The aim of this paper is to discuss existing approaches ... -
2D MoTe2 nanosheets by atomic layer deposition: Excellent photo-electrocatalytic properties
(Elsevier, 2021-06-01)Herein, the synthesis of MoTe2 nanosheets by means of Atomic Layer Deposition (ALD) is demonstrated for the first time. ALD enables tight control over the thickness and the composition of the deposited material, which are ... -
2DOF multi-objective optimal tuning of disturbance reject fractional order PIDA controllers according to improved consensus oriented random search method
(Elsevier, 2020-09-30)This study presents a Fractional Order Proportional Integral Derivative Acceleration (FOPIDA) controller design methodology to improve set point and disturbance reject control performance. The proposed controller tuning ... -
A 3D Microfluidic Chip for Electrochemical Detection of Hydrolysed Nucleic Bases by a Modified Glassy Carbon Electrode
(MDPI AG, POSTFACH, CH-4005 BASEL, SWITZERLAND, 2015-02-01)Modification of carbon materials, especially graphene-based materials, has wide applications in electrochemical detection such as electrochemical lab-on-chip devices. A glassy carbon electrode (GCE) modified with chemically ... -
3D Morphology of Fracture Surfaces Created by Mixed-mode II+III Fatigue Loading in Metallic Materials
(Elsevier, 2014-06-25)This paper presents results of 3Dfractographical analysis of shear-mode fatigue cracks in ARMCO iron, alpha-titanium, nickel and the X5CrNi18-10 steel. Observation of crack paths on a microscopic level enables us to reveal ... -
3D printing and post-curing optimization of photopolymerized structures: Basic concepts and effective tools for improved thermomechanical properties
(Elsevier, 2022-02-04)The final thermo-mechanical properties of structural parts fabricated by masked stereolithography (MSLA) are highly determined not only by the processing parameters, but also by the post-processing methods. Improper ...